5211523169 has 2 divisors, whose sum is σ = 5211523170. Its totient is φ = 5211523168.

The previous prime is 5211523133. The next prime is 5211523199. The reversal of 5211523169 is 9613251125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4808035600 + 403487569 = 69340^2 + 20087^2 .

It is a cyclic number.

It is not a de Polignac number, because 5211523169 - 2¹⁶ = 5211457633 is a prime.

It is a super-2 number, since 2×5211523169² = 54319947482047605122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5211523199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2605761584 + 2605761585.

It is an arithmetic number, because the mean of its divisors is an integer number (2605761585).

Almost surely, 2^5211523169 is an apocalyptic number.

It is an amenable number.

5211523169 is a deficient number, since it is larger than the sum of its proper divisors (1).

5211523169 is an equidigital number, since it uses as much as digits as its factorization.

5211523169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 35.

The square root of 5211523169 is about 72190.8800957572. The cubic root of 5211523169 is about 1733.7569870217.

The spelling of 5211523169 in words is "five billion, two hundred eleven million, five hundred twenty-three thousand, one hundred sixty-nine".